New York, 1999

Hail and Damaging Winds in New York, August 5, 1999

August 5, 1999 · NWS OKX · 8 events in 5 counties and zones

The most significant damage occurred in Oyster Bay and Medford. Several 3 to 4 foot diameter trees were downed in Oyster Bay.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
8

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS OKX wrote it up.

As scattered severe thunderstorms moved east-southeast across the region, they produced high winds that downed trees and power lines and produced hail at least 3/4-inch in diameter.The most significant damage occurred in Oyster Bay and Medford. Several 3 to 4 foot diameter trees were downed in Oyster Bay. A wind gust to 67 mph in Medford downed several large tree limbs and power lines and also caused a tent to collapse.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

5 thunderstorm wind, 3 hail. Local standard time, as filed.

Thunderstorm Wind, Richmond

When
August 5, 1:45 PM EST
Where
Richmond County, Richmond
Measured
50 kt (58 mph)
Reported by
EMERGENCY MANAGER
Coordinates
40.570, -74.170

Thunderstorm Wind, Kings

When
August 5, 2:00 PM EST
Where
Kings County, Brooklyn
Measured
50 kt (58 mph)
Reported by
TRAINED SPOTTER
Coordinates
40.650, -73.930

Thunderstorm Wind, Nassau

When
August 5, 2:45 PM EST
Where
Nassau County, Oyster Bay
Measured
60 kt (69 mph)
Reported by
TRAINED SPOTTER
Coordinates
40.870, -73.530

Thunderstorm Wind, Kings

When
August 5, 2:50 PM EST
Where
Kings County, Brooklyn
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
40.650, -73.930

Hail, Queens

When
August 5, 3:00 PM EST
Where
Queens County, Rockaway Beach
Measured
0.75 in hail
Reported by
EMERGENCY MANAGER
Coordinates
40.550, -73.920

Thunderstorm Wind, Suffolk

When
August 5, 3:00 PM EST to 3:05 PM EST
Where
Suffolk County, Centereach to Medford
Measured
58 kt (67 mph)
Reported by
TRAINED SPOTTER
Coordinates
40.850, -73.100

Hail, Suffolk

When
August 5, 3:00 PM EST
Where
Suffolk County, Port Jefferson
Measured
0.88 in hail
Reported by
NWS EMPLOYEE(OFF DUTY)
Coordinates
40.930, -73.050

Hail, Suffolk

When
August 5, 3:16 PM EST
Where
Suffolk County, Farmingville
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.830, -73.030

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in New York in 1999Every state in 1999This day in weather historyWarnings in New York, August 1999

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5717682, 5717754, 5717755, 5717756, 5717757, 5717758, 5717759, 5717760.